tetris game

hi. i need as soon as possible an beginner tetris game to be build or source code expleined. I started something but not get to a final. This is for an school project so i need you to explain all the code for me to understand it very well. Everything what does and such things. Time is short. So i will need it in the next 5 hours maximum!

I will pay 30 USD for a good exaplined tetris game. Samples of tetris i want can be found here:

[url removed, login to view];lngWId=7.

PS: can be done by you or just code explained of the link i provided here. Thanks.